insanity

insanity /in·san·i·ty/ (in-san´it-e) a legal term for mental illness of such degree that the individual is not responsible for his or her acts.insane´

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in·san·i·ty (n-sn-t)

n.

1. Persistent mental disorder or derangement. Not in scientific use.

2. Unsoundness of mind sufficient in the judgment of a civil court to render a person unfit to maintain a contractual or other legal relationship or to warrant commitment to a mental health facility.

3. In most criminal jurisdictions, a degree of mental malfunctioning considered to be sufficient to relieve the accused of legal responsibility for the act committed.